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docs(samples): updated samples code to use async await #118

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Nov 15, 2018
Merged

docs(samples): updated samples code to use async await #118

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d6cb84f
created new function and replace promise and callback with async await
Oct 30, 2018
307330f
removed await from void function
Oct 31, 2018
1958d6a
implemented changes requested for PR!
Nov 12, 2018
ed08395
Merge branch 'master' into nodejs-text-to-speach-tb-01
praveenqlogic Nov 12, 2018
20bbf5f
To run git build process again
Nov 13, 2018
a17a340
Merge branch 'nodejs-text-to-speach-tb-01' of https://github.com/prav…
Nov 13, 2018
d33b58b
removed extra space
Nov 14, 2018
0e5fb75
removed async await from yargs command
Nov 15, 2018
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168 changes: 81 additions & 87 deletions samples/audioProfile.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,7 @@
*/

'use strict';

function synthesizeText(
async function synthesizeText(
text,
outputFile,
effectsProfileId,
Expand All @@ -27,6 +26,7 @@ function synthesizeText(
// Imports the Google Cloud client library
const speech = require('@google-cloud/text-to-speech');
const fs = require('fs');
const util = require('util');

// Creates a client
const client = new speech.TextToSpeechClient();
Expand All @@ -37,91 +37,85 @@ function synthesizeText(
audioConfig: {audioEncoding: 'MP3', effectsProfileId: effectsProfileId},
};

client.synthesizeSpeech(request, (err, response) => {
if (err) {
console.error(`ERROR:`, err);
return;
}

fs.writeFile(outputFile, response.audioContent, 'binary', err => {
if (err) {
console.error('ERROR:', err);
return;
}
console.log(`Audio content written to file: ${outputFile}`);
});
});
const [response] = await client.synthesizeSpeech(request);
const writeFile = util.promisify(fs.writeFile);
await writeFile(outputFile, response.audioContent, 'binary');
console.log(`Audio content written to file: ${outputFile}`);
// [END tts_synthesize_text_audio_profile_beta]
}

require(`yargs`)
.demand(1)
.command(
`synthesize <text>`,
`Detects speech in a local audio file.`,
{},
opts =>
synthesizeText(
opts.text,
opts.outputFile,
opts.effectsProfileId,
opts.languageCode,
opts.ssmlGender
)
)
.options({
text: {
alias: 't',
default: 'Hey Everybody! This is a test!',
global: true,
requiresArg: true,
type: 'string',
},
outputFile: {
alias: 'f',
default: './resources/test.mp3',
global: true,
requiresArg: false,
type: 'string',
},
effectsProfileId: {
alias: 'e',
default: 'telephony-class-application',
global: true,
requiresArg: true,
type: 'string',
},
languageCode: {
alias: 'l',
default: 'en-US',
global: true,
requiresArg: true,
tnodeype: 'string',
},
ssmlGender: {
alias: 'g',
default: 'FEMALE',
global: true,
requiresArg: true,
type: 'string',
},
})
.array(`effectsProfileId`)
.example(`node $0 synthesize "Enter Phrase to Test Here"`)
.example(
`node $0 synthesize "This is optimized for Phone" -f ./resources/phone.mp3 -e telephony-class-application -l en-US`
)
.example(
`node $0 synthesize "This is optimized for a Wearable, like a watch" -f ./resources/watch.mp3 -e wearable-class-device -l en-US`
)
.example(
`node $0 synthesize "This is optimized for Home Entertainment System" -f ./resources/homestereo.mp3 -e large-home-entertainment-class-device`
)
.example(
`node $0 synthesize "This is optimized for the Car" -f ./resources/car.mp3 -e large-automotive-class-device`
)
.wrap(120)
.recommendCommands()
.epilogue(`For more information, see https://cloud.google.com/speech/docs`)
.help()
.strict().argv;
async function main() {
require(`yargs`)
.demand(1)
.command(
`synthesize <text>`,
`Detects speech in a local audio file.`,
{},
opts =>
synthesizeText(
opts.text,
opts.outputFile,
opts.effectsProfileId,
opts.languageCode,
opts.ssmlGender
)
)
.options({
text: {
alias: 't',
default: 'Hey Everybody! This is a test!',
global: true,
requiresArg: true,
type: 'string',
},
outputFile: {
alias: 'f',
default: './resources/test.mp3',
global: true,
requiresArg: false,
type: 'string',
},
effectsProfileId: {
alias: 'e',
default: 'telephony-class-application',
global: true,
requiresArg: true,
type: 'string',
},
languageCode: {
alias: 'l',
default: 'en-US',
global: true,
requiresArg: true,
tnodeype: 'string',
},
ssmlGender: {
alias: 'g',
default: 'FEMALE',
global: true,
requiresArg: true,
type: 'string',
},
})
.array(`effectsProfileId`)
.example(`node $0 synthesize "Enter Phrase to Test Here"`)
.example(
`node $0 synthesize "This is optimized for Phone" -f ./resources/phone.mp3 -e telephony-class-application -l en-US`
)
.example(
`node $0 synthesize "This is optimized for a Wearable, like a watch" -f ./resources/watch.mp3 -e wearable-class-device -l en-US`
)
.example(
`node $0 synthesize "This is optimized for Home Entertainment System" -f ./resources/homestereo.mp3 -e large-home-entertainment-class-device`
)
.example(
`node $0 synthesize "This is optimized for the Car" -f ./resources/car.mp3 -e large-automotive-class-device`
)
.wrap(120)
.recommendCommands()
.epilogue(`For more information, see https://cloud.google.com/speech/docs`)
.help()
.strict().argv;
}

main().catch(console.error);
56 changes: 26 additions & 30 deletions samples/listVoices.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,44 +15,40 @@

'use strict';

function listVoices() {
async function listVoices() {
// [START tts_list_voices]
const textToSpeech = require('@google-cloud/text-to-speech');

const client = new textToSpeech.TextToSpeechClient();

client
.listVoices({})
.then(results => {
const voices = results[0].voices;
const [result] = await client.listVoices({});
const voices = result.voices;

console.log('Voices:');
voices.forEach(voice => {
console.log(`Name: ${voice.name}`);
console.log(` SSML Voice Gender: ${voice.ssmlGender}`);
console.log(
` Natural Sample Rate Hertz: ${voice.naturalSampleRateHertz}`
);
console.log(` Supported languages:`);
voice.languageCodes.forEach(languageCode => {
console.log(` ${languageCode}`);
});
});
})
.catch(err => {
console.error('ERROR:', err);
console.log('Voices:');
voices.forEach(voice => {
console.log(`Name: ${voice.name}`);
console.log(` SSML Voice Gender: ${voice.ssmlGender}`);
console.log(` Natural Sample Rate Hertz: ${voice.naturalSampleRateHertz}`);
console.log(` Supported languages:`);
voice.languageCodes.forEach(languageCode => {
console.log(` ${languageCode}`);
});
});
// [END tts_list_voices]
}

async function main() {
require(`yargs`) // eslint-disable-line
.demand(1)
.command(`list-voices`, `List supported voices.`, {}, () => listVoices())
.example(`node $0 list-voices`)
.wrap(120)
.recommendCommands()
.epilogue(
`For more information, see https://cloud.google.com/text-to-speech/docs`
)
.help()
.strict().argv;
.demand(1)
.command(`list-voices`, `List supported voices.`, {}, () => listVoices())
.example(`node $0 list-voices`)
.wrap(120)
.recommendCommands()
.epilogue(
`For more information, see https://cloud.google.com/text-to-speech/docs`
)
.help()
.strict().argv;
}

main().catch(console.error);
69 changes: 32 additions & 37 deletions samples/quickstart.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,41 +15,36 @@

'use strict';

// [START tts_quickstart]
const fs = require('fs');

// Imports the Google Cloud client library
const textToSpeech = require('@google-cloud/text-to-speech');

// Creates a client
const client = new textToSpeech.TextToSpeechClient();

// The text to synthesize
const text = 'Hello, world!';

// Construct the request
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const request = {
input: {text: text},
// Select the language and SSML Voice Gender (optional)
voice: {languageCode: 'en-US', ssmlGender: 'NEUTRAL'},
// Select the type of audio encoding
audioConfig: {audioEncoding: 'MP3'},
};

// Performs the Text-to-Speech request
client.synthesizeSpeech(request, (err, response) => {
if (err) {
console.error('ERROR:', err);
return;
}

async function main() {
// [START tts_quickstart]
const fs = require('fs');
const util = require('util');

// Imports the Google Cloud client library
const textToSpeech = require('@google-cloud/text-to-speech');

// Creates a client
const client = new textToSpeech.TextToSpeechClient();

// The text to synthesize
const text = 'Hello, world!';

// Construct the request
const request = {
input: {text: text},
// Select the language and SSML Voice Gender (optional)
voice: {languageCode: 'en-US', ssmlGender: 'NEUTRAL'},
// Select the type of audio encoding
audioConfig: {audioEncoding: 'MP3'},
};

// Performs the Text-to-Speech request
const [response] = await client.synthesizeSpeech(request);
// Write the binary audio content to a local file
fs.writeFile('output.mp3', response.audioContent, 'binary', err => {
if (err) {
console.error('ERROR:', err);
return;
}
console.log('Audio content written to file: output.mp3');
});
});
// [END tts_quickstart]
const writeFile = util.promisify(fs.writeFile);
await writeFile('output.mp3', response.audioContent, 'binary');
console.log('Audio content written to file: output.mp3');
// [END tts_quickstart]
}

main().catch(console.error);
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